Mon
Tue
Wed
Thu
Fri
Sat
Sun
88
:
88
:
88
Time Difference Port Jefferson - Dongguan
-12:00 hours
The time difference between Port Jefferson Dongguan is -12:00 hours. The timezone in Port Jefferson is GMT Port Jefferson and GMT Dongguan in Dongguan
Distance between Port Jefferson and Dongguan is 18994.84 km
Port Jefferson - United States
Port Jefferson
GTM -5
Dongguan - China
Mon
Tue
Wed
Thu
Fri
Sat
Sun
88
:
88
:
88
Dongguan
GTM +8
Port Jefferson
Port Jefferson has daylight saving time (DST), the Sunday, March 9, 2025 at 2:00 AM you will have to add 1 hour for the winter time and the Sunday, November 2, 2025 at 2:00 AM substract 1 hour.
Dongguan
Dongguan does not observe Daylight Saving Time (DST). It will be the same time during all the year: China Standard Time .
